Change in SELinux Policy for wallpaper effects generation API.
Test: presubmit tests

Change-Id: I02f9545376534d1570cfa270dfe15c9df6f81d47
diff --git a/private/service_contexts b/private/service_contexts
index 471bb67..6272779 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -351,6 +351,7 @@
 vpn_management                            u:object_r:vpn_management_service:s0
 vrmanager                                 u:object_r:vr_manager_service:s0
 wallpaper                                 u:object_r:wallpaper_service:s0
+wallpaper_effects_generation              u:object_r:wallpaper_effects_generation_service:s0
 webviewupdate                             u:object_r:webviewupdate_service:s0
 wifip2p                                   u:object_r:wifip2p_service:s0
 wifiscanner                               u:object_r:wifiscanner_service:s0